2-5/8 2-5/16 inch Air Cleaner neck Inlet Diameter 2.625” 2.27” compatible SPE-4790 Fits all Rochester, Holley 1 or 2 barrel carburetors.Suitable for carburetors with and without air filter bracket

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• Fits 1/2 bbl carburetors with 2-5/8 2-5/16 inch necks.Please note: Will not fit Autolite 1100 1 barrel carburetor.The 2-5/16 plastic liner is removable
• The distance between the center of the locking screw and the bottom of the air filter is 7.5mm
• New multi-functional detachable assembly process, suitable for 1 or 2-barrel carburetors with or without air filter bracket
• 4" x 2" Air Cleaner
• Please measure the neck size of your carburetor before ordering and confirm it is 2.625” & 2.27”